Fix Chocolatey installer script

- Set -e
- Use the correct filename

Makefile

@@ -134,7 +134,7 @@ sign-windows-installer:
 
 package-chocolatey: ## Create Chocolatey .nupkg file
 	# This needs to run in a Docker container based on the Dockerfile.chocolatey image!
-	dist/chocolatey/gensha.sh $(COLLECTOR_VERSION) $(COLLECTOR_REVISION) $(COLLECTOR_VERSION_SUFFIX)
+	dist/chocolatey/gensha.sh $(COLLECTOR_VERSION) $(WINDOWS_INSTALLER_VERSION)
 	# The fourth number in Chocolatey (NuGet) is the revision.
 	# See: https://learn.microsoft.com/en-us/nuget/concepts/package-versioning#where-nugetversion-diverges-from-semantic-versioning
 	cd dist/chocolatey && choco pack graylog-sidecar.nuspec --version $(CHOCOLATEY_VERSION) --out ../pkg

dist/chocolatey/gensha.sh

@@ -1,18 +1,15 @@
 #!/usr/bin/env bash
 # gensha.sh - Generate sha256 file for Chocolatey package and update chocolateyinstall.ps1 with the correct version and checksum. 
 
-COLLECTOR_VERSION=$1
-COLLECTOR_REVISION=$2
-COLLECTOR_VERSION_SUFFIX=$3
+set -eo pipefail
 
-if [[ ${COLLECTOR_VERSION_SUFFIX} == "-SNAPSHOT" ]]; then
-  COLLECTOR_CHECKSUM=$(sha256sum dist/pkg/graylog_sidecar_installer_${COLLECTOR_VERSION}-${COLLECTOR_REVISION}.SNAPSHOT.exe | cut -d" " -f1)
-else
-  COLLECTOR_CHECKSUM=$(sha256sum dist/pkg/graylog_sidecar_installer_${COLLECTOR_VERSION}-${COLLECTOR_REVISION}.exe | cut -d" " -f1)
-fi
+COLLECTOR_VERSION="$1"
+COLLECTOR_INSTALLER_VERSION="$2"
+
+COLLECTOR_CHECKSUM="$(sha256sum dist/pkg/graylog_sidecar_installer_${COLLECTOR_INSTALLER_VERSION}.exe | cut -d" " -f1)"
 
 root_url="https://downloads.graylog.org/releases/graylog-collector-sidecar"
-version_url="${root_url}/${COLLECTOR_VERSION}/graylog_sidecar_installer_${COLLECTOR_VERSION}-${COLLECTOR_REVISION}.exe"
+version_url="${root_url}/${COLLECTOR_VERSION}/graylog_sidecar_installer_${COLLECTOR_INSTALLER_VERSION}.exe"
 
 sed -e "s,%%CHECKSUM%%,$COLLECTOR_CHECKSUM,g" \
 	-e "s,%%URL%%,$version_url,g" \